Home / 80,589.96-120,958.85-43,192.26

Finding the Fourth Proportional to 80,589.96, 120,958.85 and 43,192.26

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Solution

The fourth proportional to 80,589.96, 120,958.85 and 43,192.26 is: 64,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,589.96 : 120,958.85 = 43,192.26 : x
  2. Step 2: Convert to fraction form
    80,589.96/120,958.85 = 43,192.26/x
  3. Step 3: Cross multiply
    80,589.96x = 120,958.85 × 43,192.26
  4. Step 4: Simplify right side
    80,589.96x = 5,224,486,206.48
  5. Step 5: Solve for x
    x = 5,224,486,206.48/80,589.96
  6. Step 6: Final answer
    x = 64,828.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.